Stadium: Court 2 Round: 25 Ground: Clay
| ITF M15 Cairo | 2021/04/13 12:30 | Lukas Krainer v Amr Asrawy | 6-3,6-4 |
| ITF M15 Cairo | 2021/04/12 08:30 | Lukas Krainer v Roberto Rosales | 6-3,6-3 |
| ITF M15 Cairo | 2021/04/11 07:00 | Lukas Krainer v Sherif Makhlouf | 6-1,6-0 |
| ITF M15 Sharm El Sheikh | 2021/04/07 10:30 | Mattia Bellucci v Lukas Krainer | 7-6,7-6 |
| ITF M15 Sharm El Sheikh | 2021/04/06 07:30 | Lukas Krainer v Andres Gabriel Ciurletti | 6-3,6-2 |
| ITF M15 Sharm El Sheikh | 2021/04/05 07:30 | Lukas Krainer v Lawrence Bataljin | 6-2,6-0 |
| ITF M15 Sharm El Sheikh | 2021/03/17 11:30 | Makoto Ochi v Lukas Krainer | 6-3,6-7,6-4 |
| ITF M15 Sharm El Sheikh | 2021/03/14 07:30 | Lukas Krainer v Yu Hsiou Hsu | 2-6,1-6 |
| ITF M15 Opatija | 2021/03/23 12:30 | Admir Kalender v Davide Galoppini | 2-6,0-6 |
| ITF M15 Rovinj | 2021/03/17 10:00 | Pietro Rondoni v Admir Kalender | 7-5,6-4 |
| ITF M15 Porec | 2021/03/10 10:20 | Admir Kalender v Pavel Nejedly | 2-6,1-6 |
| ITF M15 Antalya | 2021/02/03 06:30 | Admir Kalender v Gabriele Maria Noce | 3-6,7-6,8-10 |
| ITF M15 Antalya | 2021/02/02 10:00 | Alexander Weis v Admir Kalender | 3-6,6-7 |
| ITF M15 Antalya | 2021/01/28 08:00 | Admir Kalender v Jordan Hasson | 6-7,6-4,9-11 |
| ITF M15 Antalya | 2021/01/19 06:30 | Georgii Kravchenko v Admir Kalender | 7-5,6-3 |
| ITF M15 Antalya | 2021/01/18 07:00 | Admir Kalender v Dostanbek Tashbulatov | 6-3,6-1 |